Home / 10,098.95-13,932.69-6,320.57

Finding the Fourth Proportional to 10,098.95, 13,932.69 and 6,320.57

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Solution

The fourth proportional to 10,098.95, 13,932.69 and 6,320.57 is: 8,719.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.95 : 13,932.69 = 6,320.57 : x
  2. Step 2: Convert to fraction form
    10,098.95/13,932.69 = 6,320.57/x
  3. Step 3: Cross multiply
    10,098.95x = 13,932.69 × 6,320.57
  4. Step 4: Simplify right side
    10,098.95x = 88,062,542.43
  5. Step 5: Solve for x
    x = 88,062,542.43/10,098.95
  6. Step 6: Final answer
    x = 8,719.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.